Stadion: Francoise Savatier Round: 27 Ground: Hardcourt indoor
| Challenger - Rennes - Herrendoppel | 2021/09/15 09:30 | Hermans/Smits v Chandrasekar/Pozzi | 6-1,6-3 |
| Challenger - Todi - Herrendoppel | 2021/07/15 13:00 | Vervoort/Zeballos v Hermans/Smits | 5-7,7-5,10-8 |
| Challenger - Todi - Herrendoppel | 2021/07/14 19:00 | Hermans/Smits v P De Almeida/Sakamoto | 7-6,7-5 |
| ITF - M25 - Alkmaar - Herrendoppel | 2021/06/24 18:50 | Hermans/Smits v De Jong/Jong | 6-7,1-6 |
| ITF - M25 - Alkmaar - Herrendoppel | 2021/06/22 14:20 | Hermans/Smits v de Krom/Den Heijer | 6-7,6-3,10-5 |
| ITF - M15 - Troisdorf - Herrendoppel | 2021/05/14 13:35 | Galarza/Paz v Hermans/Smits | 6-3,3-6,10-4 |
| ITF - M15 - Troisdorf - Herrendoppel | 2021/05/13 15:45 | Bertola/Lipovsek Puches v Hermans/Smits | 6-7,4-6 |
| ITF - M15 - Forbach - Herrendoppel | 2020/09/30 15:30 | Hermans/Smits v Hartmeier/Lemstra | 6-7,6-1,6-10 |
| Challenger - Rennes - Herrendoppel | 2021/09/15 09:50 | Stevens/Van Rijthoven v Nys/Rinderknech | 1-6,7-5,10-8 |